package org.jboss.windup.rules.xml;

import org.apache.commons.io.FileUtils;
import org.jboss.arquillian.container.test.api.Deployment;
import org.jboss.arquillian.junit.Arquillian;
import org.jboss.forge.arquillian.AddonDependencies;
import org.jboss.forge.arquillian.AddonDependency;
import org.jboss.forge.arquillian.archive.AddonArchive;
import org.jboss.forge.furnace.util.Iterators;
import org.jboss.shrinkwrap.api.ShrinkWrap;
import org.jboss.windup.config.AbstractRuleProvider;
import org.jboss.windup.config.loader.RuleLoaderContext;
import org.jboss.windup.config.metadata.MetadataBuilder;
import org.jboss.windup.config.phase.MigrationRulesPhase;
import org.jboss.windup.config.phase.PostMigrationRulesPhase;
import org.jboss.windup.config.phase.ReportGenerationPhase;
import org.jboss.windup.exec.WindupProcessor;
import org.jboss.windup.exec.configuration.WindupConfiguration;
import org.jboss.windup.exec.rulefilters.NotPredicate;
import org.jboss.windup.exec.rulefilters.RuleProviderPhasePredicate;
import org.jboss.windup.graph.GraphContext;
import org.jboss.windup.graph.GraphContextFactory;
import org.jboss.windup.graph.model.ProjectModel;
import org.jboss.windup.graph.model.resource.FileModel;
import org.jboss.windup.graph.service.GraphService;
import org.jboss.windup.reporting.config.classification.Classification;
import org.jboss.windup.reporting.model.ClassificationModel;
import org.jboss.windup.rules.apps.xml.condition.XmlFile;
import org.junit.Assert;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.ocpsoft.rewrite.config.Configuration;
import org.ocpsoft.rewrite.config.ConfigurationBuilder;

import javax.inject.Inject;
import javax.inject.Singleton;
import java.io.IOException;
import java.nio.file.Files;
import java.nio.file.Path;
import java.nio.file.Paths;
import java.util.List;
import java.util.UUID;

/**
 * Testing {@link XmlFile} condition with a long xpath that registers multiple startFrame()/persist functions in the complicated fashion.
 */
@RunWith(Arquillian.class)
public class XmlFileLongXpathTest {

    public static final String LONG_XPATHS_WORK_FINE_CLASSIFICATION = "Long xpaths work fine!";

    @Deployment
    @AddonDependencies({
            @AddonDependency(name = "org.jboss.windup.config:windup-config"),
            @AddonDependency(name = "org.jboss.windup.exec:windup-exec"),
            @AddonDependency(name = "org.jboss.windup.rules.apps:windup-rules-java"),
            @AddonDependency(name = "org.jboss.windup.rules.apps:windup-rules-base"),
            @AddonDependency(name = "org.jboss.windup.rules.apps:windup-rules-xml"),
            @AddonDependency(name = "org.jboss.windup.reporting:windup-reporting"),
            @AddonDependency(name = "org.jboss.forge.furnace.container:cdi")
    })
    public static AddonArchive getDeployment() {
        return ShrinkWrap.create(AddonArchive.class).addBeansXML();
    }

    @Inject
    private WindupProcessor processor;

    @Inject
    private GraphContextFactory factory;

    @Test
    public void test() throws IOException {
        try (GraphContext context = factory.create(true)) {
            ProjectModel pm = context.getFramed().addFramedVertex(ProjectModel.class);
            pm.setName("Main Project");
            FileModel inputPath = context.getFramed().addFramedVertex(FileModel.class);
            inputPath.setFilePath("src/test/resources/");

            Path outputPath = Paths.get(FileUtils.getTempDirectory().toString(), "windup_"
                    + UUID.randomUUID().toString());
            FileUtils.deleteDirectory(outputPath.toFile());
            Files.createDirectories(outputPath);

            pm.addFileModel(inputPath);
            pm.setRootFileModel(inputPath);

            WindupConfiguration windupConfiguration = new WindupConfiguration()
                    .setRuleProviderFilter(new NotPredicate(
                            new RuleProviderPhasePredicate(MigrationRulesPhase.class, ReportGenerationPhase.class)
                    ))
                    .setGraphContext(context);
            windupConfiguration.addInputPath(Paths.get(inputPath.getFilePath()));
            windupConfiguration.setOutputDirectory(outputPath);
            processor.execute(windupConfiguration);

            GraphService<ClassificationModel> classificationService = new GraphService<>(context,
                    ClassificationModel.class);
            List<ClassificationModel> classifications = Iterators.asList(classificationService.findAll());
            Assert.assertEquals(1, classifications.size());
            Assert.assertEquals(LONG_XPATHS_WORK_FINE_CLASSIFICATION, classifications.get(0).getClassification());
        }
    }

    @Singleton
    public static class TestXMLNestedXmlFileRuleProvider extends AbstractRuleProvider {
        public TestXMLNestedXmlFileRuleProvider() {
            super(MetadataBuilder.forProvider(TestXMLNestedXmlFileRuleProvider.class).setPhase(PostMigrationRulesPhase.class));
        }

        // @formatter:off
        @Override
        public Configuration getConfiguration(RuleLoaderContext ruleLoaderContext) {
            return ConfigurationBuilder
                    .begin()
                    .addRule()
                    .when(XmlFile.matchesXpath("//1:randomElement[contains(text(),'first')] | //2:randomElement[contains(text(),'first')] | //randomElement[contains(text(),'first')]").namespace("1", "fake-namespace-1").namespace("2", "fake-namespace-2"))
                    .perform(Classification.as(LONG_XPATHS_WORK_FINE_CLASSIFICATION));
        }
    }

}